28991510 is an even 8-digits composite number following 28991509
and preceding 28991511 . In scientific notation, it is written as 2.8991510 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 10944000 positive integers (up to 28991510) that are relatively prime to 28991510.
28991510 has 16 divisors, whose sum is 45128832
The reverse of 28991510 is 01519982
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million nine hundred ninety-one thousand five hundred ten
Scientific notation
2.8991510 × 10^7
Engineering notation
2.8991510 × 10^6
Prime Factorization
2 × 205 × 31 × 2281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28991510
Product of the distinct prime numbers
The prime factorization of 28991510 is 2 × 205 × 31 × 2281.
Since it has a total of 4 prime factors.
8 , 2 , 96 , 86 , 457 , 727 , 8221 , 2520 , 17048 , 5659 , 679155 , 391776 , 8212797 , 6642180 , 76706300 , 79276949 , 636531824 , 847495615 , 8037539168 , 7935120454
n×2
57983020
n×3
86974530
n×4
115966040
n×5
144957550
n÷2
14495755
n÷3
9663836.6666667
n÷3
7247877.5
n÷5
5798302
n2
840507652080100
n3
2.4367586000357E+22
n4
7.064531132052E+29
n5
2.048114249602E+37
2 √n
5384.3764727218
3 √n
307.20169806778
4 √n
73.378310642327
5 √n
31.078079060327
1 , 2 , 31 , 62 , 205 , 410 , 2281 , 4562 , 6355 , 12710 , 70711 , 141422 , 467605 , 935210 , 14495755 , 28991510
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28991509
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28991510 can be divided by 16 positive divisors.
The sum of these divisors (counting 28991510) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100110000000010110
3
Ternary
2000112220212122
4
Quaternary
1232212000112
5
Quinary
24410212020
6
Senary
2513215542
8
Octal
156460026
10
Decimal
28991510
12
Duodecimal
98615b2
16
Hexadecimal
1ba6016
20
Vigesimal
913ifa
36
Base36
h9dzq
md5
b906f4bc8b54cc3cfff398c3fa03c919
sha1
4d34f8617e4a40b4b5d87d5b76785297e67f9e1b
sha256
9630c915e8eb1b98277f36bfb4b376817e85fa4169e777e055330fac3a760cac
sha512
d827c72d62c822bd953f9b2f8c15e0532daf87e407b120c8006bcb92e39e5b1b1bb3aaf9af2c6254cda849c131d01099974150370d06f1f34902b3b58ef07700
ripemd-160
7f09645bd7c2619089952136ca9917114fd07aac
Diameter
57983020
Circumference
182159029.66495
Area
2.6405326650608E+15
Volume
1.0207070555258E+23
Surface area
1.0562130660243E+16
Circumference
182159029.66495
Perimeter
115966040
Area
840507652080100
Diagonal
41000186.635675
Surface area
5043045912480600
Volume
2.4367586000357E+22
Space diagonal
50214768.308141
Perimeter
86974530
Area
3.6395048938829E+14
Altitude
25107384.154071
Surface area
3.6395048938829E+14
Volume
2.8717475503331E+21
Height
13666728.878558